Definición de unaccented en inglés:

adjetivo

The process was simple: composers strictly followed the metre of the verse, setting long, accented syllables as minims, and short, unaccented ones as crotchets.

In addition, accented and unaccented versions of all four types were created: Either all tones in a sequence had equal intensity, or some of the tones had higher intensity.

This was most commonly spelled ‘Estharlyng’ at the time, and if as is probable this indicated a short, unaccented initial vowel, the aural consonance of bird's name and place name would have been closet than it is now.